Title (en)

Heavy duty diesel engine lubricating oil compositions

Title (de)

Schmierölzusammensetzungen für Hochleistungs-Dieselmotor

Title (fr)

Compositions d'huiles lubrifiantes pour moteur diesel de grande puissance

Publication

EP 1323816 A1 20030702 (EN)

Application

EP 02258378 A 20021204

Priority

• EP 02258378 A 20021204
• EP 01310820 A 20011221

Abstract (en)

The use of an effective amount of one or more compounds capable of reducing friction coefficients under mixed lubrication or boundary lubrication conditions in a heavy duty diesel engine lubricating oil composition for improving the fuel economy of a heavy duty diesel engine.

IPC 1-7

C10M 163/00

IPC 8 full level

C10M 163/00 (2006.01)

CPC (source: EP)

C10M 163/00 (2013.01); C10M 2207/028 (2013.01); C10M 2207/262 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10M 2215/04 (2013.01); C10M 2215/042 (2013.01); C10M 2215/082 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/086 (2013.01); C10M 2223/045 (2013.01); C10M 2227/09 (2013.01); C10N 2010/04 (2013.01); C10N 2010/12 (2013.01); C10N 2030/06 (2013.01); C10N 2030/56 (2020.05); C10N 2040/252 (2020.05); C10N 2060/14 (2013.01); C10N 2070/02 (2020.05)

Citation (search report)

• [X] US 6010987 A 20000104 - STIEFEL EDWARD IRA [US], et al
• [X] US 6232279 B1 20010515 - STEIGERWALD EDGAR ANDREAS [DE]
• [X] WO 9928420 A1 19990610 - EXXON CHEMICAL PATENTS INC [US], et al
• [X] US 3290245 A 19661206 - SCOTCHFORD ELLIOTT JOHN, et al
• [X] WO 0071649 A1 20001130 - INFINEUM USA LP [US], et al
• [X] EP 1087008 A1 20010328 - INFINEUM INT LTD [GB]
• [X] US 4938883 A 19900703 - SLAMA FRANCIS J [US]
• [X] US 6331510 B1 20011218 - CURTIS THOMAS T [GB], et al
• [X] US 5719107 A 19980217 - OUTTEN EDWARD FRANCIS [US], et al
• [X] WO 0160957 A1 20010823 - EXXONMOBIL RES & ENG CO [US], et al
• [X] US 6329328 B1 20011211 - KOGANEI KATSUYA [JP], et al
• [PX] EP 1191089 A1 20020327 - INFINEUM INT LTD [GB]
• [E] EP 1262538 A2 20021204 - INFINEUM INT LTD [GB]
• [E] EP 1266953 A1 20021218 - INFINEUM INT LTD [GB]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

EP 1323816 A1 20030702

DOCDB simple family (application)

EP 02258378 A 20021204